Geothermal Heating and Cooling Systems provide space conditioning: heating, cooling, and humidity control. They may also provide water heating: either to supplement or replace conventional water heaters.
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Thermal Loop Corporation
522 Underwood Lane
Bel Air, MD 21014
Phone: 410.879.3588
Fax: 410.838.3582
About Us

Thermal Loop Corporation is a pioneer in the geothermal industry, and is now one of the largest and most experienced geothermal contracting firms in the country. Government agencies, universities, general contractors and private developers have relied on Thermal Loop Corporation to install quality geothermal heating and cooling systems for public, commercial and large-scale residential projects.

Thermal Loop is owned and operated by Michael Barlow, who is also the owner of Michael Barlow Well Drilling Service, Inc., which has been in service since 1980. This gives Thermal Loop the edge to be the industry leader by having knowledge of geothermal and water well drilling, pump installation, and several other services.

Why choose Thermal Loop?
  • Over 20 years experience in residential, commercial, federal & historical projects
  • Experience in all sizes of installation in all types of terrain
  • We have completed commercial and residential projects from 1 ton to 3,000 tons
  • We offer incisive time-saving pre-design consulting and guidance
  • Experienced and certified drilling crews
  • The best machinery in the business
  • NGWA & IGSHPA Certified
  • Knowledgeable, professional, timely and respectful customer service you can count on

  • For drilling information, etc., please visit:
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